China is managing its exchange rate against US Dollar. Suppose current exchange rate is USD 1= CNY 7. It can change to either USD 1= CNY 6 or USD 1= CNY 8. In which direction does the Chinese central bank try to change the exchange rate and why. Which U.S. businesses, US exporters to China or Us importers from China, would benefit from the exchange in the exchange rate that Chinese central banks prefer? Why?